ENPT
ADVANCING AEM WATER ELECTROLYSIS.

Objectives

The project targets the main scientific and technological barriers limiting AEM water electrolysis, combining materials development, interface engineering, durability assessment, alternative water sources and system scale-up.

Our main objective

Increase the technology readiness of AEM water electrolysis by improving performance, durability and scalability while maintaining the potential for lower-cost materials.

Six specific objectives

01

Develop non-PGM catalysts

Develop efficient, durable and low-cost catalysts for HER and OER without platinum-group metals.

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02

Optimise MEAs

Improve membrane-electrode assembly design and integration to enhance ionic transport, interfacial contact and overall electrolyzer performance.

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03

Improve single-cell performance

Develop and optimise an AEM electrolyzer single cell under relevant operating conditions and identify the main sources of performance loss.

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04

Extend durability

Assess ageing and degradation mechanisms using durability testing and accelerated stress protocols, supporting more stable materials and interfaces.

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05

Explore alternative feed waters

Evaluate alkaline solutions, pure water and treated wastewater, identifying impurities that affect performance and possible mitigation strategies.

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06

Scale up and assess costs

Transfer the most promising solutions to a short AEM stack and assess the economic competitiveness of hydrogen production.

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Expected impact

Scientific Innovation

Generate new knowledge on catalysts, MEAs, interfaces, feed-water effects and degradation mechanisms in AEM electrolysis.

More Sustainable Hydrogen

Support lower-cost materials and explore reduced dependence on high-quality freshwater through alternative feed-water strategies.

Scale-up and Industrial Relevance

Validate components beyond isolated material tests and progress towards integrated single-cell and stack operation under relevant conditions.

COMPETE 2030, Portugal 2030 and co-financed by the European Union

This work is co-financed by COMPETE 2030, by Portugal 2030, and by the European Union, within the framework of the project AEMWEtoGreenH₂- Reshaping Green Hydrogen Production: Development of Anion Exchange Membrane Water Electrolysis, with number 16606 and operation code at the Funds Platform COMPETE2030-FEDER-00778300.

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